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1.冻伤。进入冬季,气温开始下降。当池塘水温下降1℃时,鱼类就进入麻痹状态;当水温降到零下3℃以下,草、鲢、鲢鱼就会受冻而死。防治方法:在严寒来临前,加深池水,做好防寒保温工作;同时在气温较高时,适当投喂豆饼、菜籽饼等饵料,抓好饲养管理催肥鱼膘,以提高鱼的体质,增强抗寒
Frostbite Into the winter, the temperature began to decline. When the pond water temperature dropped 1 ℃, the fish entered the paralysis state; when the water temperature dropped below minus 3 ℃, grass, silver carp, silver carp will be frozen and died. Preventive measures: before the onset of the cold, deepen the pool of water, cold insulation work well at the same time at higher temperatures, appropriate feeding bean cake, rapeseed cake and other feed, do a good job feeding and management of fattening fish 膘, in order to improve the fish’s physique and enhance Cold